from datetime import datetime
import time

class DataCurd:
    def __init__(self):
        pass
    ##波动数据
    def add_updown(self,stock_code, min_p, max_p, current_time):
        pass

    def update_updown(self,updown_id, current_time):
        pass

    def update_stock_data(self,stock_code,now_price,macd,updown_id):
        pass

data_curd = DataCurd